Sponge for cleaning nursing bottle and nipple units



FIG. 1 is a perspective view of a sponge for cleaning nursing bottle and nipple units showing my new design;

FIG. 2 is a front elevational view thereof, the rear being a mirror image;

FIG. 3 is a side elevational view thereof the opposite side being a mirror image;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom view thereof. 

The ornamental design for a sponge for cleaning nursing bottle and nipple units, as shown and described. 